using System;
using System.Collections.Generic;
using System.Linq;
using AlicizaX.UI.Runtime;
using UnityEngine;

namespace AlicizaX.UI.Editor
{
    internal interface IContextualUIGeneratorRuleHelper
    {
        string GetClassGenerateName(UIGenerationContext context);

        string GetUIResourceSavePath(UIGenerationContext context);

        bool CheckCanGenerate(UIGenerationContext context);

        string GetReferenceNamespace(UIGenerationContext context);

        string GetVariableContent(UIGenerationContext context);

        void WriteUIScriptContent(UIGenerationContext context, string scriptContent);
    }

    public interface IUIGeneratorRuleHelper
    {
        string GetPrivateComponentByNameRule(string regexName, string componetName, EBindType bindType);

        string GetPublicComponentByNameRule(string variableName);

        string GetClassGenerateName(GameObject targetObject, UIScriptGenerateData scriptGenerateData);

        string GetUIResourceSavePath(GameObject targetObject, UIScriptGenerateData scriptGenerateData);

        void WriteUIScriptContent(GameObject targetObject, string className, string scriptContent, UIScriptGenerateData scriptGenerateData);

        bool CheckCanGenerate(GameObject targetObject, UIScriptGenerateData scriptGenerateData);

        string GetReferenceNamespace(List<UIBindData> uiBindDatas);

        string GetVariableContent(List<UIBindData> uiBindDatas);
    }


    public class DefaultUIGeneratorRuleHelper : IUIGeneratorRuleHelper, IContextualUIGeneratorRuleHelper
    {
        private readonly IUIIdentifierFormatter _identifierFormatter;
        private readonly IUIResourcePathResolver _resourcePathResolver;
        private readonly IUIScriptCodeEmitter _scriptCodeEmitter;
        private readonly IUIScriptFileWriter _scriptFileWriter;

        public DefaultUIGeneratorRuleHelper()
            : this(
                new DefaultUIIdentifierFormatter(),
                new DefaultUIResourcePathResolver(),
                new DefaultUIScriptCodeEmitter(),
                new DefaultUIScriptFileWriter())
        {
        }

        internal DefaultUIGeneratorRuleHelper(
            IUIIdentifierFormatter identifierFormatter,
            IUIResourcePathResolver resourcePathResolver,
            IUIScriptCodeEmitter scriptCodeEmitter,
            IUIScriptFileWriter scriptFileWriter)
        {
            _identifierFormatter = identifierFormatter ?? throw new ArgumentNullException(nameof(identifierFormatter));
            _resourcePathResolver = resourcePathResolver ?? throw new ArgumentNullException(nameof(resourcePathResolver));
            _scriptCodeEmitter = scriptCodeEmitter ?? throw new ArgumentNullException(nameof(scriptCodeEmitter));
            _scriptFileWriter = scriptFileWriter ?? throw new ArgumentNullException(nameof(scriptFileWriter));
        }

        public string GetPrivateComponentByNameRule(string regexName, string componentName, EBindType bindType)
            => _identifierFormatter.GetPrivateComponentName(regexName, componentName, bindType);

        public string GetPublicComponentByNameRule(string variableName)
            => _identifierFormatter.GetPublicComponentName(variableName);

        public string GetClassGenerateName(GameObject targetObject, UIScriptGenerateData scriptGenerateData)
            => _identifierFormatter.GetClassName(targetObject);

        string IContextualUIGeneratorRuleHelper.GetClassGenerateName(UIGenerationContext context)
            => _identifierFormatter.GetClassName(context.TargetObject);

        public string GetUIResourceSavePath(GameObject targetObject, UIScriptGenerateData scriptGenerateData)
            => _resourcePathResolver.GetResourcePath(targetObject, scriptGenerateData);

        string IContextualUIGeneratorRuleHelper.GetUIResourceSavePath(UIGenerationContext context)
            => _resourcePathResolver.GetResourcePath(context.TargetObject, context.ScriptGenerateData);

        public void WriteUIScriptContent(GameObject targetObject, string className, string scriptContent, UIScriptGenerateData scriptGenerateData)
            => _scriptFileWriter.Write(targetObject, className, scriptContent, scriptGenerateData);

        void IContextualUIGeneratorRuleHelper.WriteUIScriptContent(UIGenerationContext context, string scriptContent)
            => _scriptFileWriter.Write(context.TargetObject, context.ClassName, scriptContent, context.ScriptGenerateData);

        public bool CheckCanGenerate(GameObject targetObject, UIScriptGenerateData scriptGenerateData)
            => _resourcePathResolver.CanGenerate(targetObject, scriptGenerateData);

        bool IContextualUIGeneratorRuleHelper.CheckCanGenerate(UIGenerationContext context)
            => _resourcePathResolver.CanGenerate(context.TargetObject, context.ScriptGenerateData);

        public string GetReferenceNamespace(List<UIBindData> uiBindDatas)
            => _scriptCodeEmitter.GetReferenceNamespaces(uiBindDatas);

        string IContextualUIGeneratorRuleHelper.GetReferenceNamespace(UIGenerationContext context)
            => _scriptCodeEmitter.GetReferenceNamespaces(context.BindDatas?.ToList());

        public string GetVariableContent(List<UIBindData> uiBindDatas)
            => _scriptCodeEmitter.GetVariableContent(uiBindDatas, GetPublicComponentByNameRule);

        string IContextualUIGeneratorRuleHelper.GetVariableContent(UIGenerationContext context)
            => _scriptCodeEmitter.GetVariableContent(context.BindDatas?.ToList(), GetPublicComponentByNameRule);
    }
}